Home / 12,576.06-17,359.92-8,100

Finding the Fourth Proportional to 12,576.06, 17,359.92 and 8,100

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Solution

The fourth proportional to 12,576.06, 17,359.92 and 8,100 is: 11,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.06 : 17,359.92 = 8,100 : x
  2. Step 2: Convert to fraction form
    12,576.06/17,359.92 = 8,100/x
  3. Step 3: Cross multiply
    12,576.06x = 17,359.92 × 8,100
  4. Step 4: Simplify right side
    12,576.06x = 140,615,352
  5. Step 5: Solve for x
    x = 140,615,352/12,576.06
  6. Step 6: Final answer
    x = 11,181.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.